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학술지 Demonstration of High-Power Budget TDM-PON System With 50 Gb/s PAM4 and Saturated SOA
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저자
이한협, 김광옥, 두경환, 오정열, 문갑열, 백수현, 정환석
발행일
202105
출처
IEEE/OSA Journal of Lightwave Technology, v.39 no.9, pp.2762-2768
ISSN
0733-8724
출판사
Optical Society of America (OSA)
DOI
https://dx.doi.org/10.1109/JLT.2021.3059902
협약과제
20HH6600, B5G 광엑세스 고속화 및 슬라이싱 기술, 정환석
초록
Increasing mobile traffic and smart devices require continuous expansion of optical access network capacity and easy optical connectivity for residential, business, and mobile services. A high-speed TDM-PON system with high power budget is an attractive solution to accommodate explosive mobile traffic since multiple remote nodes with simple optical power splitters could easily provide optical connections anywhere in an optical distributed network. Thus, both high speed per wavelength and high-power budget are desirable in the TDM-PON system. We demonstrate a TDM-PON system with 50 Gb/s/{\\lambda} with PAM4 and 35-dB power budget in the entire O-band by simply operating a booster SOA in the saturation region. In addition, a dynamic range of 50 Gb/s PAM4 receiver higher than 15 dB is demonstrated to support loud-soft ratio. We also successfully demonstrate error-free transmission of 50 Gb/s TDM-PON system by utilizing an OLT line-card and an ONU board.
키워드
4-level pulse-amplitude (PAM4), high power budget, semiconductor optical amplifier (SOA), time-division-multiplexed passive optical network (TDM-PON)
KSP 제안 키워드
50 GB, Continuous expansion, Error-free transmission, High Speed, High power, Mobile services, Mobile traffic, Optical access network, Optical power, PON system, Passive optical network